Electrical Installation
3
3.9 Braking Resistor Installation
YASKAWA SIEPC71061737D GA800 Drive Technical Reference 133
Drive Model
Braking Unit
(Qty)
Drive Terminals
Recomm. Gauge
(AWG, kcmil)
Applicable Gauge
(AWG, kcmil)
Ref.
4605
CDBR-4220D
(× 1)
Specified Wire Gauge
+3 3 3 - 2 Figure 3.76
- 3 3 - 2 Figure 3.76
Applicable Gauge
*1
+3 3/0 × 4P 2 - 4/0 × 4P Figure 3.78
- 3/0 × 4P
*2
2 - 4/0 × 4P
*2
Figure 3.78
4720
CDBR-4220D
(× 2)
Specified Wire Gauge
+3 3 × 2P 3 - 2 × 2P Figure 3.77
- 3 × 2P 3 - 2 × 2P Figure 3.77
Applicable Gauge
*1
+3 4/0 × 4P 2 - 4/0 × 4P Figure 3.78
- 4/0 × 4P
*2
2 - 4/0 × 4P
*2
Figure 3.78
*1 This is the applicable wire gauge when you use a braking unit other than Yaskawa braking unit (CDBR-type).
*2 This is the applicable wire gauge when you use the same wires for terminals - and +3.
Table 3.20 6-Phase/12-Pulse 400 V Class
Drive Model
Braking Unit
(Qty)
Drive Terminals
Recomm. Gauge
(AWG, kcmil)
Applicable Gauge
(AWG, kcmil)
T103
CDBR-4045D
(× 1)
Specified Wire Gauge
+3 10 10 - 4
- 10 10 - 4
Applicable Gauge
*1
+3 3 14 - 1/0
- 3
*2
14 - 1/0
T140
CDBR-4030D
Specified Wire Gauge
+3 10 × 2P 10 - 4
- 10 × 2P 10 - 4
Applicable Gauge
*1
+3 1 6 - 3/0
- 1
*2
6 - 3/0
T168
CDBR-4045D
(× 2)
Specified Wire Gauge
+3 10 × 2P 10 - 4
- 10 × 2P 10 - 4
Applicable Gauge
*1
+3 1/0 6 - 3/0
- 1/0
*2
6 - 3/0
*1 This is the applicable wire gauge when you use a braking unit other than Yaskawa braking unit (CDBR-type).
*2 This is the applicable wire gauge when you use the same wires for terminals - and +3.
■ Cutaway Section of the Wiring Cover
Examine the terminal symbols on the braking unit and use a nipper to clip the cutaway section of the corresponding
wiring cover.
A - Cutaway sections B - Use a diagonal-cutting pliers to clip this area.
Figure 3.73 Cutaway Sections